On the Migration of the Mobile Phase in a Thin Sorption Layer

Abstract

The principles of impregnation of porous media with liquids are important for many technological processes, but their greatest significance is for development of the theory of thinlayer chromatography (TLC) methods. The velocity of migration of the mobile phase in the sorption layer of a chromatographic plate and the ratio of the volume of the stationary phase to that of the mobile phase, V_s/V_m, determine the time of separation and the deviation of the observed values for the relative migration distances of substance zones, R_f, from their factual values.